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Silicon-manganese alloy smelting slag green concrete admixture and preparation method thereof
The invention discloses a method for preparing a silicon-manganese alloy smelting slag green concrete admixture. The method comprises the following steps: step 1, grinding quicklime into quicklime powder for later use; 2, quicklime powder is added when the silicon-manganese alloy smelting slag is discharged out of the furnace, uniform mixing is conducted, and thermal excitation silicon-manganese alloy smelting slag is obtained after cooling; the mass ratio of the silicon-manganese alloy smelting slag to the quick lime is (50-80): (6-12); the temperature when the silicon-manganese alloy smelting slag is discharged from the furnace is not lower than 750 DEG C; and 3, mixing the silicon-manganese alloy smelting slag, fly ash, zeolite and calcium citrate according to the mass ratio of (56-90): (5-10): (4-8): (7-14), then grinding in a ball mill, and carrying out mechanical excitation to obtain the green concrete admixture prepared from the silicon-manganese alloy smelting slag. By adding the calcium citrate, the admixture can improve the later strength of concrete, and the later strength of the concrete is improved through thermal excitation and mechanical excitation, so that the compressive strength of the concrete is effectively improved.
本发明公开了一种硅锰合金冶炼渣绿色混凝土掺合料的方法，包括如下步骤：步骤一、将生石灰研磨成为生石灰粉末备用；步骤二、在硅锰合金冶炼渣出炉时加入生石灰粉末并混合均匀，冷却后得到热激发硅锰合金冶炼渣；硅锰合金冶炼渣与生石灰的质量比为50‑80：6‑12；硅锰合金冶炼渣出炉时的温度不低于750℃；步骤三、将硅锰合金冶炼渣、粉煤灰、沸石、柠檬酸钙按照质量比56‑90：5‑10：4‑8：7‑14混合，然后在球磨机内研磨，进行机械激发，即得到硅锰合金冶炼渣制备绿色混凝土掺合料。本发明通过添加柠檬酸钙，使得掺合料可以提高混凝土的后期强度，并且通过热激发和机械激发提高了混凝土的后期强度，从而有效提高了混凝土的抗压强度。
Silicon-manganese alloy smelting slag green concrete admixture and preparation method thereof
The invention discloses a method for preparing a silicon-manganese alloy smelting slag green concrete admixture. The method comprises the following steps: step 1, grinding quicklime into quicklime powder for later use; 2, quicklime powder is added when the silicon-manganese alloy smelting slag is discharged out of the furnace, uniform mixing is conducted, and thermal excitation silicon-manganese alloy smelting slag is obtained after cooling; the mass ratio of the silicon-manganese alloy smelting slag to the quick lime is (50-80): (6-12); the temperature when the silicon-manganese alloy smelting slag is discharged from the furnace is not lower than 750 DEG C; and 3, mixing the silicon-manganese alloy smelting slag, fly ash, zeolite and calcium citrate according to the mass ratio of (56-90): (5-10): (4-8): (7-14), then grinding in a ball mill, and carrying out mechanical excitation to obtain the green concrete admixture prepared from the silicon-manganese alloy smelting slag. By adding the calcium citrate, the admixture can improve the later strength of concrete, and the later strength of the concrete is improved through thermal excitation and mechanical excitation, so that the compressive strength of the concrete is effectively improved.
本发明公开了一种硅锰合金冶炼渣绿色混凝土掺合料的方法，包括如下步骤：步骤一、将生石灰研磨成为生石灰粉末备用；步骤二、在硅锰合金冶炼渣出炉时加入生石灰粉末并混合均匀，冷却后得到热激发硅锰合金冶炼渣；硅锰合金冶炼渣与生石灰的质量比为50‑80：6‑12；硅锰合金冶炼渣出炉时的温度不低于750℃；步骤三、将硅锰合金冶炼渣、粉煤灰、沸石、柠檬酸钙按照质量比56‑90：5‑10：4‑8：7‑14混合，然后在球磨机内研磨，进行机械激发，即得到硅锰合金冶炼渣制备绿色混凝土掺合料。本发明通过添加柠檬酸钙，使得掺合料可以提高混凝土的后期强度，并且通过热激发和机械激发提高了混凝土的后期强度，从而有效提高了混凝土的抗压强度。
Silicon-manganese alloy smelting slag green concrete admixture and preparation method thereof
一种硅锰合金冶炼渣绿色混凝土掺合料及其制备方法
ZHANG JIANJUN (author) / FU CHANGQI (author)
2022-04-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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